condition	mean	min	max
4 h after light	31.06995	27.9373	34.2026
8 h after light	40.3698	38.0196	42.72
12 h after light	31.164499999999997	29.9926	32.3364
4 h after dark	23.8538	22.3341	25.3735
8 h after dark	15.51095	15.0734	15.9485
12 h after dark	23.2872	23.0235	23.5509